objectmodelbase.h

   1 /*
   2   objectmodelbase.h
   3
   4   This file is part of GammaRay, the Qt application inspection and
   5   manipulation tool.
   6
   7   Copyright (C) 2010-2011 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
   8   Author: Volker Krause <volker.krause@kdab.com>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation, either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #ifndef GAMMARAY_OBJECTMODELBASE_H
  25 #define GAMMARAY_OBJECTMODELBASE_H
  26
  27 #include "util.h"
  28 #include "objectmodel.h"
  29
  30 #include <QObject>
  31 #include <QModelIndex>
  32
  33 namespace GammaRay {
  34
  35 template<typename Base>
  36 class ObjectModelBase : public Base
  37 {
  38   public:
  39     explicit ObjectModelBase<Base>(QObject *parent) : Base(parent) {}
  40
  41     int columnCount(const QModelIndex &parent = QModelIndex()) const
  42     {
  43       Q_UNUSED(parent);
  44       return 2;
  45     }
  46
  47     QVariant dataForObject(QObject *obj, const QModelIndex &index, int role) const
  48     {
  49       if (role == Qt::DisplayRole) {
  50         if (index.column() == 0) {
  51           return obj->objectName().isEmpty() ? Util::addressToString(obj) : obj->objectName();
  52         } else if (index.column() == 1) {
  53           return obj->metaObject()->className();
  54         }
  55       } else if (role == ObjectModel::ObjectRole) {
  56         return QVariant::fromValue(obj);
  57       } else if (role == Qt::ToolTipRole) {
  58           return QString("Object name: %1\nParent: %2 (Address: %3)\nNumber of children: %4").
  59             arg(obj->objectName().isEmpty() ? "<Not set>" : obj->objectName()).
  60             arg(obj->parent() ? obj->parent()->metaObject()->className() : "<No parent>").
  61             arg(Util::addressToString(obj->parent())).
  62             arg(obj->children().size());
  63       } else if (role == Qt::DecorationRole && index.column() == 0) {
  64         return Util::iconForObject(obj);
  65       }
  66
  67       return QVariant();
  68     }
  69
  70     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const
  71     {
  72       if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
  73         switch (section) {
  74         case 0:
  75           return QObject::tr("Object");
  76         case 1:
  77           return QObject::tr("Type");
  78         }
  79       }
  80       return Base::headerData(section, orientation, role);
  81     }
  82 };
  83
  84 }
  85
  86 #endif